A building on the La Cañada High School campus was evacuated Friday afternoon after "a chemical smell" was reported.

Los Angeles County Fire Department crews responded to the La Cañada Flintridge school around noon and were evaluating the third floor of the affected building.

The rest of the student body sheltered in place as two patients were evaluated, according to the LACoFD.

It is not yet known what the chemical smell is.

This is a developing story.

La Cañada High School CBS LA

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